WO2016128608A1 - Dispositif portable de génération de chaleur et d'électricité - Google Patents

Dispositif portable de génération de chaleur et d'électricité Download PDF

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Publication number
WO2016128608A1
WO2016128608A1 PCT/FI2015/050091 FI2015050091W WO2016128608A1 WO 2016128608 A1 WO2016128608 A1 WO 2016128608A1 FI 2015050091 W FI2015050091 W FI 2015050091W WO 2016128608 A1 WO2016128608 A1 WO 2016128608A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion
fuel
combustion chamber
heat
intake channel
Prior art date
Application number
PCT/FI2015/050091
Other languages
English (en)
Inventor
Tommi VAHTERA
Pasi Ylirisku
Original Assignee
Hawupro Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hawupro Oy filed Critical Hawupro Oy
Priority to PCT/FI2015/050091 priority Critical patent/WO2016128608A1/fr
Priority to EP15708249.6A priority patent/EP3256779B1/fr
Publication of WO2016128608A1 publication Critical patent/WO2016128608A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F23G7/105—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses of wood waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B20/00—Combustion apparatus specially adapted for portability or transportability
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
    • F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M2900/00—Special features of, or arrangements for combustion chambers
    • F23M2900/13003—Energy recovery by thermoelectric elements, e.g. by Peltier/Seebeck effect, arranged in the combustion plant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

  • the invention concerns in general the technology of portable combustion devices for generating heat and electricity, such as combined stoves.
  • the invention concerns the way in which both heat and electricity is produced by burning solid material in a stove like device which can be operated as an independent unit in field conditions.
  • the motor fails to be driven when power supply stops from the electric company due to a power outage or the like, which disables the fuel conveyor system, making it impossible to supply the wood pellets as fuel to the combustion chamber.
  • the pellet stove which is spared the need for electricity as the heat source by using wood pellets as the heat source through the combustion of the wood pellets as fuel, still cannot be used during a power outage because of being incapable of supply- ing fuel.
  • a combustion apparatus includes: a combustion chamber for combusting a fuel material; a thermoelectric power generation module for generating power based on a temperature difference caused by heating with a combustion temperature generated along with the combustion in the combustion chamber and by cooling with an external tem- perature outside the combustion chamber; and an electric drive means which operates using, as a drive force, thermoelectric power generated by the thermoelectric power generation module.
  • WO2008/001276A2 discloses a solid fuel stove comprising: a combustion chamber for con- taining combustion fuel, which chamber has a lower side portion for accommodating fuel and an upper side portion; a blower assembly configured to provide airflow entering the combustion chamber in operating condition; guiding means to direct the airflow into the combustion chamber; wherein the guiding means direct the airflow from the upper side portion to the lower side portion.
  • the stove also comprises a rechargeable electrical power source for driving the blower assembly and a thermoelectric element are provided, and wherein the thermoelectric element is configured to provide power to the blower assembly and to the rechargeable power source.
  • the objective of the present invention is to provide a device capable of both to produce heat and electric power and still being portable when the device is not in use i.e. the fuel is not burning.
  • One objective of the present invention is to provide a device without any moving or rotating parts.
  • the state of art documents both D1 and D2 teach the use of blowers to enhance combustion air feeding to improve the combustion and thus to contribute to clean combustion.
  • One aspect of the present invention is to provide a decentralized charging system to charge batteries near the end user, even down to the single, pair or patrol level.
  • the conventional way has been to use aggregates and similar electricity generating devices in more centralized way, but the objective of the present invention is to reduce this need of centralized battery charging function.
  • the fuel to be used in the present device is solid fuel such as wood pellet, wood chip, charcoal or like.
  • the fuel feed opening is located above the combustion chamber so that the fuel feed is gravity based
  • the intake channel is located parallel to the combustion chamber and the direction of the air flow in the intake channel is configured opposite to the direction of the combustion/exhaust gas flow
  • a heat sink is provided in the intake channel for pre-heating the in- take/combustion air before combustion
  • the electricity generating element is a thermoelectric element provided between the heat sink and the heat transfer element.
  • the device is constructed such that it is portable ie. even a single person, such as a soldier, can carry it for heat and electricity generating purpose.
  • the device can be up scaled so that more manpower is needed, but the lightest embodiments are easily carried.
  • the basic construction is an enclosure made of fire proof material like sheet metal and it comprises openings for fuel feed, combustion air intake, ex- haust gas outlet and an electricity outlet.
  • a fuel container can be attached by means of bayonet, thread, friction or like so that the fuel can supplied to the correct place when in use.
  • a chimney or corresponding tubular element is to be attached to lead the exhaust gas out and also to provide part of the heat radiation to sur- rounding areas.
  • An electricity outlet is also provided so that the electricity can be taken out of the device. Most preferably it is a socket like outlet.
  • an intake channel for combus- tion air to be led to a combustion chamber Within the enclosure there are provided an intake channel for combus- tion air to be led to a combustion chamber.
  • An electricity generating element is provided to generate the electricity.
  • a heat transfer element is extending to the combustion chamber to distribute the heat further from the combustion chamber, when in the device is in use. With the device there is a need to transfer the heat from the place where it is generated, i.e. from the combustion cham- ber.
  • a specific element on which the material is put for burning it is a fire grate for fuel material to be located for combustion.
  • the fuel feed opening is located above the combustion chamber so that the fuel feed is gravity based. It means that there are no need for arrangements like conveyors, manual feeding or like which transport the fuel from a storage place or container to the combustion chamber. Here it is designed so that the gravity does the work, the fuel drops and feeds based on gravity when there is room for fuel in the combustion chamber.
  • the intake channel is located parallel to the combustion chamber and the direction of the air flow in the intake channel is configured opposite to the direction of the combustion/exhaust gas flow.
  • the purpose of this feature is to be able to provide a small sized unit where it is possible to obtain an effective heat transfer from the combustion chamber to the combustion air by preheating it in an efficient manner.
  • the efficiency is obtained so that a heat sink is provided in the intake channel for pre-heating the intake air before combustion.
  • the electricity generating element is a thermoelectric element provided between the heat sink and the heat transfer element.
  • the majority of the heat designed to be transferred from the combustion to the combustion air pre-heating is conduct- ed through the thermoelectric element.
  • thermoelectric element thus a great temperature gradient at the thermoelectric element is the desired status when the device is in use.
  • the pre-heated combustion air increases the burning rate and temperature at the combustion and that causes cleaner burning, less pollution and less non- burned volatiles in the exhaust gas.
  • combustion air preheating, combustion, heat generation, electricity generation forms a self- balancing process wherein the preheating increases both burning temperature and the electricity production. Naturally the combustion and heat transfer reaches at some point a steady state where the temperature is no longer rising.
  • An aspect of the present invention is a method for producing heat and electricity in a portable device, the method comprising steps of:
  • thermoelectric element conducting the heat caused by the combustion via a heat transfer element to a high temperature side of a thermoelectric element
  • thermoelectric element - cooling a low temperature side of the thermoelectric element with a heat sink located in an intake channel
  • FIG. 1 illustrates a side view of an embodiment of the device
  • FIG. 2 llustrates a front view of the embodiment of FIG. 1 ,
  • FIG. 3 llustrates a front view of another embodiment of the device
  • FIG. 4 llustrates a front view of still another embodiment of the device
  • FIG. 5 llustrates a front view of still another embodiment of the device
  • FIG. 6 llustrates a front view of still another embodiment of the device.
  • FIG. 1 it is presented a portable heat and electricity generating device 1 comprising:
  • an enclosure 2 comprising openings for fuel feed 21 , combustion air intake 25, exhaust gas outlet 24 and an electricity outlet 27,
  • the fuel feed opening 21 is located above the combustion chamber 4 so that the fuel F feed is gravity based
  • the intake channel 3 is located parallel to the combustion chamber 4 and the direction of the air A flow in the intake channel is configured opposite to the direction of the combustion/exhaust gas E flow
  • a heat sink 7 is provided in the intake channel 3 for pre-heating the in- take/combustion air A before combustion
  • thermoelectric element 81 provided between the heat sink 7 and the heat transfer element 6.
  • the process for producing heat and electricity in a portable device 1 in the FIG. 1 is the following: the method comprises steps of:
  • thermoelectric element 81 conducting the heat H caused by the combustion via a heat transfer element 6 to a high temperature side of a thermoelectric element 81 ,
  • thermoelectric element 81 cooling a low temperature side of the thermoelectric element 81 with a heat sink 7 located in an intake channel 3,
  • the pre-heated combustion air A increases the burning temperature and thus causes increasing in the temperature gradient with the thermoelectric element 81 .
  • the fire crate 45 is configured such that the fuel F is prevented from falling in to the air intake channel 3. It can be a mesh structure, the fire crate can be bent in a suitable way or inclined to a direction preventing the fuel to go wrong place.
  • the solid fuel is provided in a fuel container (not shown) which is attachable to the fuel feed opening 21 .
  • the fuel container is designed to contain an amount of fuel of a predetermined burning time.
  • the fuel container can also be an open top funnel like container, where the user can increase fuel when needed. It is also preferable, that the container has at least some ventilation to pass some replacement air through the container to ensure the proper function of gravity based fuel feed.
  • FIG. 2 it is presented a front view of the embodiment of FIG. 1 .
  • an intake channel 3 for combustion air A a combustion chamber 4 and an electricity generating element 8, 81 - a heat transfer element 6 extending to the combustion chamber 4 to distrib- ute the heat H further from the combustion chamber 4, when in the device is in use.
  • the heat transfer element is the wall of the enclosure 2.
  • the combustion heats the wall of the enclosure 2, which conducts the heat H downwards to electricity generating element 8 such as the thermoelectric element 81 .
  • the heat transfer element 6 is configured to conduct heat H from combustion chamber 4 to the thermoelectric element 81 .
  • the heat transfer element 6 can have also various other forms as will be shown in other figures. There is also provided an insulation layer 5 between the combustion chamber 4 and the intake channel 3 to reduce the heat trans- fer via other routes than through the thermoelectric element 81 . This has a positive effect on efficiency of the electricity production. The temperature difference is bigger between the intake channel 3 and the combustion chamber when heat transfer thorough other routes is prevented by an insulation layer 5. It also improves significantly the electricity production efficiency.
  • FIG. 2 it is shown that there is provided a fire grate 45 for fuel F material to be located for combustion and that the fuel feed opening 21 is located above the combustion chamber 4 and the fire crate so that the fuel F feed is gravity based.
  • the fire crate 45 is inclined so that the fuel F flows to an accumulation area for effective combustion.
  • the inclined fire crate collects all the fuel particles, such as wood pellet, wood chip, charcoal or like, together for effective combustion.
  • the angle of inclination is preferably within a range of 15° to 60°, wherein 45° is especially suitable.
  • the accumulation area here refers to an area where the potential energy of a fuel pellet 4 in the combustion chamber 4 is its local minimum.
  • the fire grate 45 for fuel material to be located for burning is inclined so that the burning material flows toward the heat transfer element 6 for optimal combustion and heat transfer to the heat transfer element 6.
  • thermoelectric element 81 which is configured to generate electricity from the temperature difference between the heat transfer element 6 and the heat sink 7 in the intake channel 3.
  • the heat sink is preferably a construction comprising multiple parallel plates at- tached together via a base plate. It may be of steel, cast iron, extruded aluminium or like.
  • the thermoelectric element is a Seebeck element or similar where a thermal gradient formed between two dissimilar conductors produces a voltage. At the heart of the thermoelectric effect is the fact that a temperature gradient in a conducting material results in heat flow; this results in the diffusion of charge carriers. The flow of charge carriers between the hot and cold regions in turn creates a voltage difference.
  • thermoelectric element is connectable to an elec- trie unit comprising a transformer for converting the voltage of the thermoelectric element to a charge voltage, such as 5 or 14 Volts.
  • elec- trie unit comprising a transformer for converting the voltage of the thermoelectric element to a charge voltage, such as 5 or 14 Volts.
  • electricity outlet 27 such as a socket for connecting the electric unit to the device 1 .
  • FIGs 3, 4, 5 and 6 there are shown various configurations of the pre- sent device 1 , shown all from the front view. It is shown that the intake channel 3 located parallel to the combustion chamber 4 is below, above or beside the combustion chamber 4.
  • the heat transfer element 6 is configured to conduct heat H from combustion chamber 4 to the thermoelectric element 81 and there are many possibilities to arrange the same function but in a different configura- tion.
  • FIG. 3 it is presented a front view of an embodiment of a flat layout.
  • an intake channel 3 for combustion air A Within the enclosure 2 there are provided an intake channel 3 for combustion air A, a combustion chamber 4 and an electricity generating element 8, the thermoelectric element 81 .
  • the intake channels are provided on both sides of the combustion chamber 4.
  • electricity generating element such as the thermoelectric element 81 .
  • FIG. 4 it is presented a front view of an embodiment of a layout.
  • an intake channel 3 for combustion air A Within the enclosure 2 there are provided an intake channel 3 for combustion air A, a combustion chamber 4 and an electricity generating element 8, the thermoelectric element 81 .
  • the intake channels are provided below the combustion chamber 4.
  • a heat transfer element 6 is extending to the combustion chamber 4 to distribute the heat H further from the combustion chamber 4, when in the device is in use, is here a wall like element provided in the middle of the enclosure 2.
  • the combustion heats the wall like heat transfer element in or at the combustion chamber, which conducts the heat H to electricity generating element such as the thermoelectric element 81 .
  • electricity generating element such as the thermoelectric element 81 .
  • an insulation layer 5 This layout may be modified also so that the inclined fire crate is inclined towards the heat transfer element.
  • FIG. 5 it is presented a front view of another embodiment of a flat layout.
  • an intake channel 3 for combus- tion air A Within the enclosure 2 there are provided an intake channel 3 for combus- tion air A, a combustion chamber 4 and an electricity generating element 8, the thermoelectric element 81 .
  • the intake channels are provided on both sides of the combustion chamber 4.
  • electricity generating element such as the thermoelectric element 81 .
  • thermoelectric element 81 it is presented a front view of another embodiment of a flat layout.
  • the intake channels are provided on both sides of the combustion chamber 4.
  • the combustion heats the heat transfer element in the combustion chamber, which conducts the heat H through to electricity generating element such as the thermoelectric element 81 .
  • an insulation layer 5 however it could be for example on the bottom of the enclosure 2 to reduce the heat transfer downwards.
  • Variations and modifications to the embodiments described above are possible without departing from the scope of the amended claims.
  • the heat can be transferred to the intake channel by means of other conductive or convective device.
  • thermoelectric element 81 thermoelectric element

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wood Science & Technology (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

L'invention concerne un dispositif portable de génération de chaleur et d'électricité comprenant : une enceinte (2) à l'intérieur de laquelle se trouvent un canal d'admission (3) d'air de combustion (A), une chambre de combustion (4), un élément de transfert de chaleur et un élément de génération d'électricité (8), et une grille de foyer (45) pour le matériau combustible (F) à mettre en place pour la combustion. L'ouverture d'alimentation en combustible (21) est placée au-dessus de la chambre de combustion (4), de sorte que l'alimentation en combustible (F) est basée sur la gravité, le canal d'admission (3) est placé parallèlement à la chambre de combustion (4), et la direction du flux d'air (A) dans le canal d'admission est conçue pour être opposée à la direction du flux de gaz de combustion/d'échappement (E), un dissipateur de chaleur (7) est ménagé dans le canal d'admission(3) pour le préchauffage de l'air d'admission (A) avant la combustion, et l'élément de génération d'électricité (8) est un élément thermoélectrique (81) placé entre le dissipateur de chaleur (7) et l'élément de transfert de chaleur.
PCT/FI2015/050091 2015-02-13 2015-02-13 Dispositif portable de génération de chaleur et d'électricité WO2016128608A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/FI2015/050091 WO2016128608A1 (fr) 2015-02-13 2015-02-13 Dispositif portable de génération de chaleur et d'électricité
EP15708249.6A EP3256779B1 (fr) 2015-02-13 2015-02-13 Dispositif portable de génération de chaleur et d'électricité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2015/050091 WO2016128608A1 (fr) 2015-02-13 2015-02-13 Dispositif portable de génération de chaleur et d'électricité

Publications (1)

Publication Number Publication Date
WO2016128608A1 true WO2016128608A1 (fr) 2016-08-18

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PCT/FI2015/050091 WO2016128608A1 (fr) 2015-02-13 2015-02-13 Dispositif portable de génération de chaleur et d'électricité

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EP (1) EP3256779B1 (fr)
WO (1) WO2016128608A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3355003A1 (fr) * 2017-01-26 2018-08-01 Padesigns Pty Ltd Réchaud de générateur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017133A1 (de) * 2005-10-05 2007-12-13 Schnorr, Karl-Ernst, Dipl.-Ing. Verfahren und Vorrichtung zur Regelung der Verbrennungstemperatur zur Thermostromgewinnung
WO2008001276A2 (fr) 2006-06-26 2008-01-03 Koninklijke Philips Electronics N.V. Fourneau à combustible solide à combustion améliorée
US20090020109A1 (en) * 2006-02-16 2009-01-22 Martin Rheault Portable Stove
US20130112187A1 (en) * 2008-10-07 2013-05-09 Biolite Llc Portable combustion device utilizing thermoelectrical generation
EP2629007A2 (fr) 2012-02-14 2013-08-21 Northern Light Stoves Co. Ltd. Appareil de combustion
WO2014149368A1 (fr) * 2013-03-15 2014-09-25 Research Triangle Institute Dispositif de combustion de biomasse ayant une commande thermoélectrique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017133A1 (de) * 2005-10-05 2007-12-13 Schnorr, Karl-Ernst, Dipl.-Ing. Verfahren und Vorrichtung zur Regelung der Verbrennungstemperatur zur Thermostromgewinnung
US20090020109A1 (en) * 2006-02-16 2009-01-22 Martin Rheault Portable Stove
WO2008001276A2 (fr) 2006-06-26 2008-01-03 Koninklijke Philips Electronics N.V. Fourneau à combustible solide à combustion améliorée
US20130112187A1 (en) * 2008-10-07 2013-05-09 Biolite Llc Portable combustion device utilizing thermoelectrical generation
EP2629007A2 (fr) 2012-02-14 2013-08-21 Northern Light Stoves Co. Ltd. Appareil de combustion
WO2014149368A1 (fr) * 2013-03-15 2014-09-25 Research Triangle Institute Dispositif de combustion de biomasse ayant une commande thermoélectrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3355003A1 (fr) * 2017-01-26 2018-08-01 Padesigns Pty Ltd Réchaud de générateur

Also Published As

Publication number Publication date
EP3256779A1 (fr) 2017-12-20
EP3256779B1 (fr) 2019-05-08

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